PRP Records

Probable Primes Top 10000

(302275 PRPs in the top)


What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!


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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
90012^345988-20373104153Enzo Doria06/2013
9002(2^345965+2214)/2104146Stefano Morozzi09/2020
9003(26*10^104132-503)/9104133Robert Price07/2018
90043*5^148968+8104125Lelio R Paula11/2014
9005(7*10^104113+53)/3104114Robert Price05/2018
9006p(21253)#/2+8104113Robert Price01/2017
900733582^1259+1259^33582104106Hans Havermann09/2020
900832958^1441+1441^32958104104Hans Havermann09/2020
900929127^3748+3748^29127104095Hans Havermann09/2020
9010322^41507+41507^322104094Norbert Schneider12/2014
90116^133768-17423104092Enzo Doria03/2013
90122^345786-19557104092Enzo Doria05/2013
9013171^46606-2104072Lelio R Paula10/2017
9014(29*10^104071+91)/3104072Robert Price04/2020
9015norm(Mod(x,x^3-x-1)^852167-1)104070Paul Vanderveen09/2022
90162^345704-149104068Lelio R Paula09/2011
901725821^10712+10712^25821104056Hans Havermann09/2020
9018(2^345662+2038)/2104055Stefano Morozzi09/2020
90196^133704-17273104042Enzo Doria02/2013
9020(3*2^345590-1)/23104033Lelio R Paula03/2014
9021(19*2^345590+1)/33859104030Lelio R Paula12/2013
90222^345547+11104021Lelio R Paula09/2011
9023(19*10^104014-49)/3104015Robert Price05/2019
9024(2^345519+1794)/2104012Stefano Morozzi01/2021
90252^345504+723104008Lelio R Paula09/2011
90262^345498-20037104006Enzo Doria06/2013
902818^82854-37104005Lelio R Paula01/2017
9027(2^345497+2070)/2104005Stefano Morozzi09/2020
90292^345486-109065104002Enzo Doria04/2014
90302^345487-1851507104002Enzo Doria08/2015
90312^345476+777103999Lelio R Paula09/2011
9032(2^345477+1554)/2103999Stefano Morozzi09/2020
90334*10^103981-83103982Robert Price10/2018
9034(2^345327+3206)/2103954Stefano Morozzi09/2020
9035(5*2^345321-1)/3103953Lelio R Paula03/2014
9036(2^345267-9)/539049127103927Lelio R Paula12/2013
9037(19*10^103907+77)/3103908Robert Price05/2019
9038(78557*2^345163+1)/78589103905Lelio R Paula07/2014
90392^345106-112181103888Enzo Doria06/2014
9040(2^345105+1326)/2103887Stefano Morozzi02/2021
90412^345079+99103880Lelio R Paula09/2011
9042(2^345034+1198)/2103866Stefano Morozzi09/2020
904311^99736-1500103865Enzo Doria12/2012
9044(569^37699-1)/568103863Serge Batalov06/2022
9045(2^345010+2082)/2103859Stefano Morozzi09/2020
904623263^23784-23784^23263103857Norbert Schneider01/2020
90473*10^103844+31103845Robert Price06/2021
9048444*33^68368+19103821Eric Chen05/2023
904923927^21814+21814^23927103813Hans Havermann09/2020
90502^344842-20157103808Enzo Doria06/2013
9051(47*2^344822+1)/1071103801Lelio R Paula05/2015
90522^344802-20765103796Enzo Doria06/2013
90532^344794-3821103794Yves Minet05/2011
90542^344782-109103103790Enzo Doria04/2014
90553^217521-112292103784Enzo Doria06/2014
90562^344759-3505103783Lelio R Paula11/2016
90572^344735-147103776Lelio R Paula09/2011
9058L(496533)-p(496533)103770Robert Price02/2018
90592*10^103749-69103750Robert Price03/2018
9060(55459*2^344617+1)/3103745Lelio R Paula07/2014
90612^344607-108891103738Enzo Doria03/2014
9063(2^344608+3798)/2103738Stefano Morozzi02/2021
9062(1097^34123-1)/1096103738Serge Batalov06/2022
90642^344560+22411103723Enzo Doria09/2023
9065(148*10^103718-1)/3103720Robert Price03/2020
90662^344541-19561103718Enzo Doria05/2013
9067(1017*2^344529-1)/569103714Lelio R Paula05/2015
9068(8896^26263-1)/8895103714Serge Batalov06/2022
9069(2^344503+1758)/2103706Stefano Morozzi09/2020
9070(4*10^103703-1)/3103704Serge Batalov08/2009
90712^344444-455103688Yves Minet03/2012
9072(4*10^103678-43)/3103679Robert Price01/2022
9073(13*53^238539*617^9)/10^307661103673Hans Havermann06/2017
9074(2^344367+2738)/2103665Stefano Morozzi01/2021
90762^344317-109933103650Enzo Doria04/2014
907526055^9508+9508^26055103650Hans Havermann09/2020
90772^344309-1852033103648Enzo Doria08/2015
907825729^10672+10672^25729103643Hans Havermann09/2020
9079(2^344289+1166)/2103642Stefano Morozzi09/2020
90803*10^103637+61103638Robert Price09/2020
9081(2^344246+1614)/2103629Stefano Morozzi09/2020
90822^344213-21253103619Enzo Doria06/2013
90832^344196-465103614Lelio R Paula11/2016
90842^344187-20001103611Enzo Doria06/2013
9085(117191#+(355573#)/(117191#))/(200233679)103602Makoto Morimoto10/2017
9086(237^43627-1)/236103601Serge Batalov06/2022
908720^79621-19^79621103590Jean-Louis Charton03/2011
9088Phi(155391,10)/1243129103586Maksym Voznyy09/2015
9089(9^108553-2^108553)/7103586Jon Grantham07/2023
90902^344085-20365103580Enzo Doria06/2013
90915^148169+54103566Lelio R Paula11/2016
90922^344017-108795103560Enzo Doria03/2014
9093(2^343974+2670)/2103547Stefano Morozzi09/2020
90942^343971-5077103546Lelio R Paula09/2011
9095(7*10^103531+71)/3103532Robert Price05/2018
90962^343899+141103524Lelio R Paula08/2011
9097(2^343933+1)/(3*98294339989393)103520Gord Palameta08/2018
90986^133029-67103517Lelio R Paula11/2016
9099(17*2^343877+1)/13625103515Lelio R Paula12/2013
910066*10^103507+7103509Robert Price07/2020
910126297^8614+8614^26297103485Hans Havermann09/2020
9102(2^343764+2658)/2103483Stefano Morozzi09/2020
910326499^8036+8036^26499103480Hans Havermann09/2020
9104(103^51413-1)/4478483706103477Paul Vanderveen06/2025
9105(136*10^103474-1)/9103476Serge Batalov12/2014
91065^148014-24103458Lelio R Paula11/2016
910725^74007-24103458Anonymous09/2024
910828316^4503+4503^28316103453Hans Havermann09/2020
9109(22*10^103450+53)/3103451Robert Price07/2019
91102^343604+9931103436Yves Minet01/2011
91112^343601-21189103435Enzo Doria06/2013
9112(10^103423+173)/3103423Robert Price05/2021
91132^343508-115229103407Enzo Doria06/2015
9114(8766^26227-1)/8765103404Serge Batalov06/2022
9115(509203*2^343491-1)/16147103403Lelio R Paula05/2015
91163^216685-113056103386Enzo Doria07/2014
911724829^14580+14580^24829103382Hans Havermann08/2020
911891355!4+1024103381Robert Price09/2019
911944^62903-43^62903103379Jean-Louis Charton08/2012
912011^99262-20103371Lelio R Paula12/2016
9121(509203*2^343357-1)/5103366Lelio R Paula05/2015
9122(2^343363+3570)/2103363Stefano Morozzi09/2020
91232^343356-2791889103361Enzo Doria03/2016
9124(25*10^103360-241)/9103361Robert Price05/2018
9125Phi(104989,10)/2939693103350Maksym Voznyy09/2015
9126(371*33^68040-19)/32103321Eric Chen05/2023
912724826^14511+14511^24826103319Hans Havermann09/2020
91282^343182-171103309Lelio R Paula08/2011
9129(23619^23619+23620^23620)/7187103294David Broadhurst09/2009
9130(16487^24649-1)/(16487^157-1)103287Ryan Propper11/2023
9131(10680^25639-1)/10679103285Serge Batalov06/2022
9132(7427^26683-1)/7426103282Serge Batalov06/2022
91332^343079-1835611103278Enzo Doria05/2015
91342^343063-1147103273Yves Minet06/2013
913524741^14930+14930^24741103271Hans Havermann09/2020
9136(16*10^103255-73)/3103256Robert Price07/2020
9137(219^44119-1)/218103256Serge Batalov06/2022
91389*6^132689+7103254Lelio R Paula11/2014
91392^342979-18085103247Enzo Doria05/2013
9140(16*10^103244-31)/3103245Robert Price03/2019
91412^342966-16995103244Lelio R Paula11/2016
914223797^21774+21774^23797103230Hans Havermann09/2020
914325388^11637+11637^25388103224Hans Havermann09/2020
9144(2^342876+2086)/2103216Stefano Morozzi09/2020
9145(16*10^103214-31)/3103215Robert Price03/2019
9147(37*10^103211+611)/9103212Robert Price11/2018
9146(238*10^103210-1)/3103212Robert Price04/2020
91485^147650+16103203Lelio R Paula11/2016
9149gcd(Phi(852060,10),(10^42603+1)^3*(10^42603+1-10^21302)+(10^85206+10^42603)*(10^21302+1)+10^127809)103201Serge Batalov04/2015
9150Phi(852060L,10)103201Anonymous03/2025
91512^342817+2707067103199Enzo Doria03/2016
915243^63177-42103198Theodore Burton02/2007
91532^342805-21025103195Enzo Doria06/2013
915424129^18890+18890^24129103182Hans Havermann09/2020
9155(622*10^103171-1)/9103173Robert Price11/2021
91562^342714+12285103168Lelio R Paula11/2016
9157(2*10^103161-17)/3103161Serge Batalov11/2022
915818^82178-4481103156Enzo Doria03/2013
91592^342665-17349103153Enzo Doria05/2013
916030408^2467+2467^30408103150Hans Havermann09/2020
9161(5^147571-3^147571)/2103148Kellen Shenton05/2022
9162(2^342615+3090)/2103138Stefano Morozzi09/2020
91632^342612+175103137Lelio R Paula08/2011
91645*2^342585-3103130Lelio R Paula09/2014
9165(16*10^103127+77)/3103128Robert Price03/2019
9166(2^342527+3774)/2103111Stefano Morozzi02/2021
91672^342503-19209103104Enzo Doria05/2013
9168(2^342484+2586)/2103098Stefano Morozzi09/2020
91692^342476+51103096Lelio R Paula08/2011
91702^342460-18885103091Enzo Doria05/2013
9171(2^342442+862)/2103086Stefano Morozzi02/2021
9172(194*10^103074-17)/3103076Robert Price09/2020
91737^121968+82103075Lelio R Paula10/2016
91742^342392-108863103071Enzo Doria03/2014
9175(2^342389+806)/2103070Stefano Morozzi01/2021
91763^216014+28103065Lelio R Paula11/2016
91772^342353-108879103059Enzo Doria03/2014
917810^103055+276081103056Patrick De Geest12/2016
917910^103055-53103055Lelio R Paula11/2016
9180(58*10^103046+419)/9103047Robert Price05/2019
91817^121933+4103046Lelio R Paula11/2014
9182(71*10^103028-143)/9103029Robert Price10/2021
9183(2^342235+3618)/2103023Stefano Morozzi09/2020
918419^80560-68103017Lelio R Paula10/2016
91852^342209+76607103016Enzo Doria05/2016
9187328^40945+40945^328103013Norbert Schneider12/2014
918612^95454-91103013Lelio R Paula10/2016
918825833^9716+9716^25833103009Hans Havermann01/2019
9189(893*10^103004+7)/9103006Robert Price06/2021
9190(1475^32503-1)/1474102993Serge Batalov06/2022
919165^56809-64^56809102990Robert Price08/2013
91925^147338-6102985Lelio R Paula11/2014
91932^342084-112739102978Enzo Doria06/2014
91949*6^132330+7102974Lelio R Paula11/2014
91952^342034-16737102963Enzo Doria05/2013
9196(9787*2^342011-1)/25102959Lelio R Paula05/2015
9197(3^215802-5)/124343756102956Lelio R Paula12/2013
91982^341991-17421102950Enzo Doria05/2013
91992^341969-112225102943Enzo Doria06/2014
9200(9787*2^341864-1)/3102915Lelio R Paula05/2015
92012^341859+1869413102910Enzo Doria05/2016
920210^102909+61102910Lelio R Paula11/2016
920310^102909-67049102909Patrick De Geest12/2016
920423814^20935+20935^23814102898Hans Havermann02/2019
920528345^4264+4264^28345102888Hans Havermann02/2019
920625665^10204+10204^25665102886Hans Havermann02/2019
920726288^8181+8181^26288102860Hans Havermann02/2019
92082^341659+1836773102850Enzo Doria03/2016
92092^341608-110639102835Enzo Doria05/2014
921010^102824+49102825Lelio R Paula11/2016
921110^102824-168011102824Patrick De Geest12/2016
9212(156^46877-1)/155102805Anonymous06/2024
921311^98708-8102794Lelio R Paula10/2016
92142^341466+4429102792Lelio R Paula09/2011
92152^341460-107102790Lelio R Paula08/2011
9216(2^341388+47)/21014943102761Lelio R Paula12/2013
92172^341355+21102759Lelio R Paula08/2011
92182^341319+224885102748Enzo Doria07/2024
9219(419^39181-1)/418102739Tom Wu07/2024
9220(6496^26947-1)/6495102736Serge Batalov06/2022
92212^341246+40755102726Lelio R Paula11/2016
9222(2^341256-5)/991699102723Lelio R Paula12/2013
92237^121547+78102720Lelio R Paula10/2016
92242^341223-461197102719Enzo Doria06/2015
922527838^4893+4893^27838102711Hans Havermann03/2019
92272^341190-20577102709Enzo Doria06/2013
9226(27*2^341212+1)/84674449102709Lelio R Paula12/2013
9228(25*10^102698+77)/3102699Robert Price09/2022
92296^131976-65102698Lelio R Paula10/2016
92302^341134+2533102692Henri Lifchitz09/2005
923113^92184-54102688Lelio R Paula10/2016
92322^341116-20873102687Enzo Doria06/2013
92332^341094-19953102680Enzo Doria06/2013
923423761^20950+20950^23761102676Hans Havermann03/2019
92362^341053+129102668Lelio R Paula08/2011
9235(4724^27943-1)/4723102668Serge Batalov06/2022
9238(31*2^341006-1)/3102655Lelio R Paula03/2014
92377^121471+94102655Lelio R Paula10/2016
92402^341004-173102653Lelio R Paula08/2011
923920^78901+3102653Lelio R Paula10/2016
9241(2^341001+1674)/2102652Stefano Morozzi09/2020
92425^146853-52102646Lelio R Paula10/2016
92432^340969-216931102642Enzo Doria05/2014
9244122^49196+121102641Norbert Schneider10/2018
92452^340952+1870021102637Enzo Doria05/2016
92465*2^340940-3102634Lelio R Paula08/2014
9247(6^131891+1)/7102631Paul Bourdelais01/2010
9248(11*10^102629-23)/3102630Robert Price09/2021
92493^215094+5*2^215094102626Jon Grantham08/2023
925025876^9239+9239^25876102615Hans Havermann02/2019


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: December, 23 2025 11:36 (Time in France)

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